Mahmood Sasa has a Biology degree from Universidad de Costa Rica, and Master and Ph.D. in Quantitative Biology from the University of Texas at Arlington. Mahmood has studied the ecology and biogeography of amphibians and reptiles that inhabit tropical dry forests in Middle America, and until recently, served as the scientific director of Palo Verde Biological Station, Organization for Tropical Studies, in the dry forest of Costa Rica. He is currently a professor at the School of Biology and a researcher at the Instituto Clodomiro Picado, both from Universidad de Costa Rica. Mahmood is interested in herpetology, and his area of expertise includes population and conservation biology, management of wildlife reserves, the evolution of venom systems in snakes, and biostatistics. He has authored or coauthored more than 70 publications, including scientific articles and book chapters.